Factory direct 50G SFP56 BiDirectional optical module with simplex LC interface, fiber-saving PAM4 transceiver for 5G cell site rollouts.

Custom 50G SFP56 BiDi Optical Transceiver

  • Simplex Fiber Optimization: Establishes a full 50Gbps duplex link over a single strand of single-mode fiber (SMF) via internal WDM diplexers.

  • PAM4 Modulation: Leverages advanced 50G PAM4 signaling to double bandwidth capacity without increasing physical port footprint.

  • Matched Wavelength Pairs: Available in precision-calibrated A/B configurations (e.g., 1270nm-TX/1330nm-RX) for flawless bidirectional communication.

  • Bespoke Reach Options: Optical budgets are factory-tuned to support various metropolitan spans, bypassing the need for separate receive strands.

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Product Description

The 50G SFP56 BiDi transceiver is engineered for environments where dark fiber resources are exhausted or cost-prohibitive. By integrating Wavelength Division Multiplexing (WDM) into the SFP56 form factor, this module allows bidirectional 50GbE traffic on a Simplex LC interface. WolonFiber utilizes high-grade BOSA components and integrated DSPs to mitigate chromatic dispersion and return loss. Every pair is factory-coded to ensure 100% interoperability with next-gen 5G fronthaul and enterprise routing platforms.

Key Features

  • Fiber Efficiency: Directly halves fiber leasing and infrastructure costs by utilizing one fiber core for both transmission and reception.

  • Advanced Clock Recovery: Features built-in TX and RX CDR for jitter suppression and precise timing synchronization.

  • Thermal Management: Optimized metallic housing ensures stable PAM4 operation within standard commercial temperature ranges (0~70°C).

Application Scenarios

  • 5G Fronthaul (CPRI/eCPRI) rollouts with limited dark fiber availability.

  • Point-to-point metropolitan edge aggregation over simplex optical infrastructure.

Technical Specifications

Specification Details Specification Details
Form Factor SFP56 BiDi Vendor Name WolonFiber
Max Data Rate 53.125Gbps Modulation Format PAM4
Wavelength 1270nm-TX/1330nm-RX (Pair A) Tailored Reach Up to 10km / 20km (Customized)
Connector Simplex LC Media SMF (Single-Mode Fiber)
Transmitter Type CWDM EML / DFB Receiver Type PIN
TX Power -4.5 to 4.2dBm Receiver Sensitivity < -10.8dBm
Extinction Ratio > 3.5dB Max Power Consumption ≤ 3.0W
DDM/DOM Supported Operating Temperature 0 to 70°C (32 to 158°F)

Engineering FAQs

  • Q: Can I use two identical 50g sfp56 BiDi modules to form a link?
     A: No. BiDi transceivers must be deployed in complementary A/B pairs. The transmit wavelength of module A must exactly match the receive wavelength of module B.

  • Q: Does WolonFiber offer an aruba 50g sfp56 compatible BiDi version?
     A: Yes. We custom-flash the EEPROM with precise Aruba vendor identifiers, ensuring the transceiver is accepted as a native component by the host OS.

  • Q: Why is an sfp 50g BiDi more efficient for 5G rollouts?
     A: It eliminates the need for a second fiber strand per link, allowing operators to double the capacity of existing 5G fronthaul cabling without new trenching.

  • Q: What happens if the simplex LC end-face is dirty?
     A: Because BiDi optics transmit and receive on the same port, contamination causes high return loss that can saturate the receiver. Strict cleaning is mandatory for stable 50G performance.

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